/*
 * Copyright 2010 Christopher Z. Collier
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.xorf.caveman.core;

import java.io.File;

import org.hibernate.cfg.Configuration;

public abstract class HibernateConfigResource {
    public abstract Configuration merge(Configuration config);
    
    public static HibernateConfigResource buildInstance(String resourcePath) {
        File resourceFile = new File(resourcePath);
        String suffix = FileUtils.getSuffix(resourceFile);
        String extension = FileUtils.getExtension(resourceFile);
        
        if (suffix.equals("hbm.xml"))
            return new HbmFileResource(resourceFile);
        
        if (extension.equals("jar"))
            return new JarFileResource(resourceFile);

        throw new RuntimeException(String.format(
                "don't know how to load resource: %s", resourceFile.getPath()));
    }
}
